Archive Brainteaser answer By System Administrator 16th May 2007 12:00 am 16th December 2015 3:40 am The answer to the Brainteaser is….13458 is exactly twice 6729 Visit the UK’s dedicated jobsite for engineering professionals. Each month, we’ll bring you hundreds of the latest roles from across the industry. View jobs News Bone detector News Teaching aids News Maple is used for micro motor design at Rotalink News Civil & structural £8bn offered for Hanson News 125 years of quality from Christian Bauer Latest ArticlesComments News Nuclear Site shortlist marks next STEP for fusion energy News Skills and careers GE invests £2.5m into Next Engineers in Staffordshire News Electronics & communications KAUST develops screen-printing approach to foldable electronics Opinion Skills and careers Comment: Removing barriers will boost STEM sector recruitment Post a comment Name Email Cancel reply Threaded commenting powered by interconnect/it code. All comments are moderated. Click here for our guidelines.